diff --git a/firmware/config/boards/hellen/hellen72/board_configuration.cpp b/firmware/config/boards/hellen/hellen72/board_configuration.cpp
index 3959dbfd7f..2dceb05be0 100644
--- a/firmware/config/boards/hellen/hellen72/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen72/board_configuration.cpp
@@ -131,6 +131,8 @@ void setBoardDefaultConfiguration() {
 	engineConfiguration->acSwitchMode = PI_PULLUP;
 
 	engineConfiguration->vehicleSpeedSensorInputPin = H144_IN_VSS;
+	engineConfiguration->clutchDownPin = H144_IN_RES3;
+	engineConfiguration->clutchDownPinInverted = true;
 
 	engineConfiguration->fuelPumpPin = GPIOG_2;	// OUT_IO9
 	engineConfiguration->idle.solenoidPin = GPIOD_14;	// OUT_PWM5
diff --git a/firmware/config/boards/hellen/hellen72/connectors/main.yaml b/firmware/config/boards/hellen/hellen72/connectors/main.yaml
index 13951b17bf..8e6a7cc5be 100644
--- a/firmware/config/boards/hellen/hellen72/connectors/main.yaml
+++ b/firmware/config/boards/hellen/hellen72/connectors/main.yaml
@@ -314,8 +314,9 @@ pins:
     function: Neutral Switch
 
   - pin: 4I
-    id: [ GPIOF_8 ]
-    class: [ switch_inputs ]
+  # H144_IN_RES3
+    id: GPIOF_8
+    class: switch_inputs
     ts_name: 4I - Clutch (A8)
     function: Clutch Switch
 
diff --git a/firmware/config/engines/mazda_miata_vvt.cpp b/firmware/config/engines/mazda_miata_vvt.cpp
index fa36f3ec58..03f25745db 100644
--- a/firmware/config/engines/mazda_miata_vvt.cpp
+++ b/firmware/config/engines/mazda_miata_vvt.cpp
@@ -269,7 +269,7 @@ static void setCommonMazdaNB() {
 	engineConfiguration->cranking.baseFuel = 27.5; // this value for return-less NB miata fuel system, higher pressure
 
 	engineConfiguration->cranking.rpm = 400;
-	engineConfiguration->idle.solenoidFrequency = 300;
+	engineConfiguration->idle.solenoidFrequency = 500;
 	engineConfiguration->rpmHardLimit = 7200;
 	engineConfiguration->useInstantRpmForIdle = true;
 	engineConfiguration->enableFan1WithAc = true;
@@ -315,8 +315,10 @@ static void setCommonMazdaNB() {
 	// set tps_max 540
 	engineConfiguration->tpsMax = 650; // convert 12to10 bit (ADC/4)
 
-	// set idle_position 35
-	engineConfiguration->manIdlePosition = 35;
+	// set idle_position 20
+	engineConfiguration->manIdlePosition = 20;
+	engineConfiguration->iacByTpsTaper = 6;
+	engineConfiguration->acIdleExtraOffset = 15;
 
 	engineConfiguration->specs.cylindersCount = 4;
 	engineConfiguration->specs.firingOrder = FO_1_3_4_2;